package com.qingke.spring3.demo8;

public class ProductDao {
	public int add() {
		
		System.out.println("添加商品..");
		int d=100/0;
		return 100;
	}

	public void update() {
		
		System.out.println("修改商品..");
	}

	public void delete() {
		
		System.out.println("删除商品..");
	}

	public void find() {
		System.out.println("查询商品..");

	}
}
